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OpenGL vector map library written in Java - running on Android, iOS, Desktop and within the browser.
/*
* Copyright 2013 Ahmad Saleem
* Copyright 2013 Hannes Janetzek
* Copyright 2016-2019 devemux86
*
* This program is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along with
* this program. If not, see .
*/
package org.oscim.layers;
import org.oscim.backend.CanvasAdapter;
import org.oscim.core.MercatorProjection;
import org.oscim.map.Map;
import org.oscim.renderer.LocationRenderer;
public class LocationLayer extends Layer {
public final LocationRenderer locationRenderer;
public LocationLayer(Map map) {
this(map, CanvasAdapter.getScale());
}
public LocationLayer(Map map, float scale) {
super(map);
mRenderer = locationRenderer = new LocationRenderer(mMap, this, scale);
}
@Override
public void setEnabled(boolean enabled) {
if (enabled == isEnabled())
return;
super.setEnabled(enabled);
if (!enabled)
locationRenderer.animate(false);
}
public void setPosition(double latitude, double longitude, float accuracy) {
double x = MercatorProjection.longitudeToX(longitude);
double y = MercatorProjection.latitudeToY(latitude);
double radius = accuracy / MercatorProjection.groundResolutionWithScale(latitude, 1);
locationRenderer.setLocation(x, y, radius);
locationRenderer.animate(true);
}
}